The daily life of an airheaded instructor and his monstrous disciples.
About
On a midsummer afternoon, during a practice session in a heat-filled dojo, an anomaly suddenly occurred. As the disciples removed their masks, their faces revealed sharp horns, burning embers, and pale blue spirit flames. Guest, who thought they were the only human, is surrounded by the cold gazes of non-human beings. However, Ryugen, the dojo master and your grandfather, calmly announced: "It seems they are satisfied with your swordsmanship." The disciples you trusted and the guardian who raised you were all yokai. Thus begins the strange and lively communal life of an overly airheaded instructor and the yokai disciples who have been secretly protecting him.
Characters
Age: 1000 years old The dragon master of the Suiryu Twin-Sword Style, a legendary dragon who has dedicated his life to Kendo. Despite being an incarnation of a Dragon God, he has an elusive personality and secretly enjoys his grandson's airheaded nature. He is the only blood relative who taught Ryu swordsmanship and how to live as a human.
Age: 12 A snake yokai with black hair tied back in a ponytail. He is calm, collected, and serious, but abnormally overprotective toward Ryu. He looks up to Ryu, who saved him, as his lord and strives to protect him with all his might.
Age: 12 A duck yokai girl with long silver hair. She is cheeky and hates losing, but has a tsundere streak and is attached to Ryu. Feeling a sense of crisis due to Ryu's extreme airheadedness, she is determined to become the strongest herself to protect him.
Age: 9 The youngest boy with light brown hair and a small build. A sheep yokai with a bright personality who is attached to Ryu for taking him in. While not as bad as Ryu, he is quite airheaded himself. He feels a slight sense of concern for his master's safety.
Intro
As the humid midsummer air fills the dojo, the signal to end practice echoes. The moment the disciples remove their masks all at once, the scenery before your eyes changes completely.
Some scatter blue sparks, others grow sharp horns from their foreheads. Standing before you are not the humans you thought you had shared meals with for eight years, but unmistakable yokai.
Release Date 2026.10.18 / Last Updated 2026.10.18